keep us from falling off the fiscal cliff. on tuesday we'll be talking about yasser arafat. his body is going to be exhumed. he is the late palestinian leader. eight years after his death this is happening. it's all part of an investigation to see if he was murdered. he died suddenly at age 75, and some think that he was poisoned. on wednesday keep your eyes out for the true symbol that christmas is approaching. of course, that's the rockefeller center christmas tree. it's going to be lit on wednesday, and this year it will be decked out with more than 30,000 colored lights. if you miss it, if you miss the lighting, don't worry. it will remain lit through january 7th, so maybe you'll have a chance to check it out. and on sunday this is something we're really excited about here at cnn. the tradition continues. cnn will honor the top ten cnn heroes of 2012. this is a favorite of mine to watch. anderson cooper will be hosting it on sunday night. you can catch it here live at 9:00 p.m. eastern time only on cnn. >>> we've got a goo